{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "cell line", "RNA", "DNA", "cell type"], "input": "This factor has a DNA-binding specificity similar to that of NF-kappa B but is unrelated to this or other Rel proteins by functional and biochemical criteria."}
{"protein": ["NF-kappa B", "Rel proteins"], "cell line": [], "RNA": [], "DNA": [], "cell type": []}